An object is vibrating at 50 hertz. What is its time period? (a) 0.02 s (b) 2 s (c) 0.2 s (d) 20.0 s

Answer: (a) 0.02 s

We know that

Frequency (f) = 1/ Time period

Time period = 1/ Frequency

Given parameter

An object is vibrating at 50 hertz.

50 = 1/T

T = 1/50

T = 0.02s

Its time period will be 0.02 sec.

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